WO2013137422A3 - Electric tool and charging apparatus for electric tool - Google Patents

Electric tool and charging apparatus for electric tool Download PDF

Info

Publication number
WO2013137422A3
WO2013137422A3 PCT/JP2013/057326 JP2013057326W WO2013137422A3 WO 2013137422 A3 WO2013137422 A3 WO 2013137422A3 JP 2013057326 W JP2013057326 W JP 2013057326W WO 2013137422 A3 WO2013137422 A3 WO 2013137422A3
Authority
WO
WIPO (PCT)
Prior art keywords
electric tool
charging apparatus
power supply
tool
electric
Prior art date
Application number
PCT/JP2013/057326
Other languages
French (fr)
Other versions
WO2013137422A2 (en
Inventor
Yuki Horie
Nobuhiro Takano
Kazuhiko Funabashi
Tomomasa Nishikawa
Yukihiro Shima
Takao Aradachi
Original Assignee
Hitachi Koki Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co., Ltd. filed Critical Hitachi Koki Co., Ltd.
Publication of WO2013137422A2 publication Critical patent/WO2013137422A2/en
Publication of WO2013137422A3 publication Critical patent/WO2013137422A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Portable Power Tools In General (AREA)

Abstract

An electric tool (1) includes: a rechargeable first power supply (4); an a second power supply (50) which is configured to be connected and disconnected from the first power supply (4) and is configured to charge the first power supply (4) in a state where the second power supply (50) is connected to the first power supply (4).
PCT/JP2013/057326 2012-03-15 2013-03-08 Electric tool and charging apparatus for electric tool WO2013137422A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012059499A JP2013193136A (en) 2012-03-15 2012-03-15 Electric tool and charging apparatus for electric tool
JP2012-059499 2012-03-15

Publications (2)

Publication Number Publication Date
WO2013137422A2 WO2013137422A2 (en) 2013-09-19
WO2013137422A3 true WO2013137422A3 (en) 2013-11-14

Family

ID=48045628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/057326 WO2013137422A2 (en) 2012-03-15 2013-03-08 Electric tool and charging apparatus for electric tool

Country Status (2)

Country Link
JP (1) JP2013193136A (en)
WO (1) WO2013137422A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180000909U (en) * 2016-09-23 2018-04-03 주식회사 아임삭 Power tool having plug in type battery pack
EP3760385B1 (en) * 2019-07-01 2024-03-20 Guido Valentini Electric power tool with two or more battery units and electric power tool arrangement comprising such an electronic power tool and a voltage converter unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050280393A1 (en) * 2004-06-22 2005-12-22 Feldmann William M Tool with battery pack
WO2008075358A2 (en) * 2006-12-20 2008-06-26 Techtium Ltd. Battery powered charger
EP2375536A2 (en) * 2010-03-31 2011-10-12 Makita Corporation Electric Power Tool, and Program

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4771277B2 (en) 2005-04-06 2011-09-14 日立工機株式会社 Battery pack

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050280393A1 (en) * 2004-06-22 2005-12-22 Feldmann William M Tool with battery pack
WO2008075358A2 (en) * 2006-12-20 2008-06-26 Techtium Ltd. Battery powered charger
EP2375536A2 (en) * 2010-03-31 2011-10-12 Makita Corporation Electric Power Tool, and Program

Also Published As

Publication number Publication date
JP2013193136A (en) 2013-09-30
WO2013137422A2 (en) 2013-09-19

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